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b998b10f3e
Change-Id: I3a31632ce28fb87a410b759d092c7ebc9393574d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128306 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
29 lines
1.1 KiB
Dart
29 lines
1.1 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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main() {
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Expect.equals("A", new String.fromCharCode(65));
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Expect.equals("B", new String.fromCharCode(66));
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var gClef = new String.fromCharCode(0x1D11E);
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Expect.equals(2, gClef.length);
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Expect.equals(0xD834, gClef.codeUnitAt(0));
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Expect.equals(0xDD1E, gClef.codeUnitAt(1));
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// Unmatched surrogates.
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var unmatched = new String.fromCharCode(0xD800);
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Expect.equals(1, unmatched.length);
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Expect.equals(0xD800, unmatched.codeUnitAt(0));
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unmatched = new String.fromCharCode(0xDC00);
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Expect.equals(1, unmatched.length);
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Expect.equals(0xDC00, unmatched.codeUnitAt(0));
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Expect.throwsArgumentError(() => new String.fromCharCode(-1));
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// Invalid code point.
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Expect.throwsArgumentError(() => new String.fromCharCode(0x110000));
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Expect.throwsArgumentError(() => new String.fromCharCode(0x110001));
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}
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